Level:
Project ID:
1003020806
Accepted:
1
Clonable:
0
Easy:
0
Let \( ABC \) be a triangle with \( A = [1 , 2 , -3] \), \( B = [-3 , 3 , -2] \) and \( C = [-1 , 1 , -1] \). Find its perimeter.
\( 6+3\sqrt2 \)
\( 18 \)
\( 6 + 2\sqrt3 \)
\( 9\sqrt2 \)